From mboxrd@z Thu Jan  1 00:00:00 1970
From: tony@atomide.com (Tony Lindgren)
Date: Thu, 2 Jun 2016 10:56:35 -0700
Subject: [PATCH] ARM: dts: am335x-boneblack: add i2c1 DT entry
In-Reply-To: <CAOCHtYiWYrwSidHnKv4siFT-wU=tt5-YeDTwbM022ZTxdPFYYA@mail.gmail.com>
References: <1464853310-8738-1-git-send-email-yong.b.li@intel.com>
 <CAOCHtYib9YxckneM-j0Gk1YE=MnvAwAhvDjEDEuFJbH6W3EcWA@mail.gmail.com>
 <20160602173932.GF5995@atomide.com>
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Message-ID: <20160602175635.GG5995@atomide.com>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

* Robert Nelson <robertcnelson@gmail.com> [160602 10:48]:
> On Thu, Jun 2, 2016 at 12:39 PM, Tony Lindgren <tony@atomide.com> wrote:
> >
> > * Robert Nelson <robertcnelson@gmail.com> [160602 10:39]:
> > > On Thu, Jun 2, 2016 at 2:41 AM, Yong Li <yong.b.li@intel.com> wrote:
> > >
> > > > From: Yong Li <sdliyong@gmail.com>
> > > >
> > > > Without this patch, I2C-1 is missing on beaglebone black boards
> > > >
> > > > Signed-off-by: Yong Li <sdliyong@gmail.com>
> > > > ---
> > > >  arch/arm/boot/dts/am335x-boneblack.dts | 15 +++++++++++++++
> > > >  1 file changed, 15 insertions(+)
> > > >
> > >
> > >
> > > This is also 'common' for the white/green, if your really going to push
> > > this, please add it to:
> > >
> > > am335x-bone-common.dtsi
> >
> > But isn't this exposed on the cape pins? So the use can be
> > whatever for these pins?
> 
> That is correct, "i2c1" is on the cape connector, with no primary
> function defined.
> 
> Currently on mainline, the board and cape eeprom i2c bus's are enabled.
> 
> i2c0 = board eeprom
> i2c2 = 'cape' eeprom
> 
> personally, nak by me to add i2c1 by default, should use overlay's to enable it.

Yes sounds like the best we can do is define it but set it with
status = "disabled" for now.

Regards,

Tony